if (document.images) {
	hmbtnoff = new Image();
	hmbtnoff.src = "images/nav/hmbtn_off.gif";
	hmbtnover = new Image;
	hmbtnover.src = "images/nav/hmbtn_over.gif";
	productsoff = new Image();
	productsoff.src = "images/nav/products_off.gif";
	productsover = new Image;
	productsover.src = "images/nav/products_over.gif";
	salesoff = new Image();
	salesoff.src = "images/nav/sales_off.gif";
	salesover = new Image;
	salesover.src = "images/nav/sales_over.gif";
	techoff = new Image();
	techoff.src = "images/nav/tech_off.gif";
	techover = new Image;
	techover.src = "images/nav/tech_over.gif";
	contactoff = new Image();
	contactoff.src = "images/nav/contact_off.gif";
	contactover = new Image;
	contactover.src = "images/nav/contact_over.gif";
}